205132043 has 2 divisors, whose sum is σ = 205132044. Its totient is φ = 205132042.

The previous prime is 205132021. The next prime is 205132087. The reversal of 205132043 is 340231502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205132043 is a prime.

It is not a weakly prime, because it can be changed into another prime (205132243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102566021 + 102566022.

It is an arithmetic number, because the mean of its divisors is an integer number (102566022).

Almost surely, 2^205132043 is an apocalyptic number.

205132043 is a deficient number, since it is larger than the sum of its proper divisors (1).

205132043 is an equidigital number, since it uses as much as digits as its factorization.

205132043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 205132043 is about 14322.4314625695. The cubic root of 205132043 is about 589.7634242552.

Adding to 205132043 its reverse (340231502), we get a palindrome (545363545).

The spelling of 205132043 in words is "two hundred five million, one hundred thirty-two thousand, forty-three".